diff --git a/packages.config b/packages.config
old mode 100755
new mode 100644
index 80c7f53..00bc05f
--- a/packages.config
+++ b/packages.config
@@ -22,7 +22,7 @@
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="2.0.0" targetFramework="net45" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net45" />
   <package id="Modernizr" version="2.8.3" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="12.0.2" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net45" />
   <package id="React.Core" version="5.1.1" targetFramework="net45" />
   <package id="React.Web" version="5.1.1" targetFramework="net45" />
   <package id="React.Web.Mvc4" version="5.1.1" targetFramework="net45" />